/*
 * Copyright 2011-17 Fraunhofer ISE, energy & meteo Systems GmbH and other contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.openmuc.openiec61850;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

abstract public class BasicDataAttribute extends FcModelNode {

    BasicDataAttribute mirror;

    /** attribute value type */
    BdaType basicType = null;

    /** short address, can be used by SCSM and for local data mapping */
    String sAddr = null;

    boolean dchg;
    boolean qchg;
    boolean dupd;

    List<Urcb> chgRcbs = null;
    List<Urcb> dupdRcbs = null;

    BasicDataAttribute(ObjectReference objectReference, Fc fc, String sAddr, boolean dchg, boolean dupd) {
        this.objectReference = objectReference;
        this.fc = fc;
        this.sAddr = sAddr;
        this.dchg = dchg;
        this.dupd = dupd;

        if (dchg) {
            chgRcbs = new ArrayList<Urcb>();
        }
        if (dupd) {
            dupdRcbs = new ArrayList<Urcb>();
        }
    }

    public boolean getDchg() {
        return dchg;
    }

    public boolean getDupd() {
        return dupd;
    }

    public boolean getQchg() {
        return dupd;
    }

    public BdaType getBasicType() {
        return basicType;
    }

    public String getSAddr() {
        return sAddr;
    }

    @Override
    public ModelNode getChild(String childName, Fc fc) {
        return null;
    }

    @Override
    public ModelNode getChild(String childName) {
        return null;
    }

    @Override
    public Collection<ModelNode> getChildren() {
        return null;
    }

    @Override
    public Iterator<ModelNode> iterator() {
        return Collections.<ModelNode>emptyList().iterator();
    }

    abstract public void setDefault();

    @Override
    public List<BasicDataAttribute> getBasicDataAttributes() {
        List<BasicDataAttribute> subBasicDataAttributes = new LinkedList<BasicDataAttribute>();
        subBasicDataAttributes.add(this);
        return subBasicDataAttributes;
    }

    abstract void setValueFrom(BasicDataAttribute bda);

    void setMirror(BasicDataAttribute bda) {
        mirror = bda;
    }

}
